下列选项中，属于系统软件的是
A．Spss
B．Excel
C．Word
D．DBMS
参考答案：D
Just as Professor Scotti often _____ it, success is ninety-nine percent mental attitude. [ ]
A. gets
B. makes
C. puts
D. means
根据统计学原理计算要达到试验预期目的所需的病例数的是
A．药品注册管理工作B．药品注册申请人C．药品注册D．药品注册申请E．药品补充申请
